🕵️ Waters Corp /DE/ ($WAT)
SEC insider & ownership activity, last 12 months · CIK 1000697 · every row links its SEC filing
Over the last 12 months insiders sold $1.4M against $451K of open-market buying. Christopher A. Kuebler sold $1.4M in discretionary trades (Aug). BlackRock, Inc. trimmed 9.0% → 7.8%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
2 buyers, $451K (2 lots) · 1 seller, $1.4M (1 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Christopher A. Kuebler | 0 | – | 1 | $1.4M | Aug 6, 2026 |
| Richard H. Fearon | 1 | $306K | 0 | – | Mar 6, 2026 |
| Jiang Wei | 1 | $145K | 0 | – | Mar 16, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.8% | 13G | Apr 24, 2026 | filing ↗ | |
| Vanguard Capital Management | 7.5% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Christopher A. Kuebler | $1.4M | Aug 6, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Aug 17, 2026 | filing ↗ |
| Other events (8.01) | Aug 17, 2026 | filing ↗ |
| Earnings (2.02) | Aug 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 4, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 21, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 23, 2026 | filing ↗ |
| New financial obligation (2.03) | Mar 23, 2026 | filing ↗ |
| Other events (8.01) | Mar 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 23, 2026 | filing ↗ |
| Other events (8.01) | Mar 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 16, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 9, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | Feb 9, 2026 | filing ↗ |
| New financial obligation (2.03) | Feb 9, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 9, 2026 | filing ↗ |
| Earnings (2.02) | Feb 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 9, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jan 27, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 27, 2026 | filing ↗ |
| Other events (8.01) | Jan 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 27, 2026 | filing ↗ |
| Other events (8.01) | Jan 16, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 12, 2026 | filing ↗ |
| Earnings (2.02) | Nov 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 4, 2025 | filing ↗ |